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Pixeliro

#003EB3

Cobalt

#003EB3Cobalt

Luminance

0.067

Category

Blue

Type

Dark

Best On

#FFFFFF

Color Codes

All color formats for your project

HEX

HEX
#003EB3
No #
003EB3

RGB

RGB
rgb(0, 62, 179)
Values
R:0 G:62 B:179

HSL

HSL
hsl(219, 100%, 35%)
Values
H:219° S:100% L:35%

HSV / HSB

HSV
hsv(219, 100%, 70%)
Values
H:219° S:100% V:70%

CMYK

CMYK
cmyk(100%, 65%, 0%, 30%)
Values
C:100 M:65 Y:0 K:30

LAB

LAB
lab(31, 32, -66)
Values
L:31 a:32 b:-66

OKLCH

OKLCH
oklch(41.8% 0.193 262.0)
Values
L:41.8% C:0.193 H:262.0°

Code Formats

CSS
color: #003EB3;
Swift
UIColor(red: 0.000, green: 0.243, blue: 0.702, alpha: 1.0)
Kotlin
Color(0xFF003EB3)
Flutter
Color(0xFF003EB3)
Android
#FF003EB3

Contrast Analysis

WCAG compliance with grayscale colors

On White

8.97:1

AAA

On Black

2.34:1

Fail

Grayscale Contrast

Aa

0%

2.3

Fail
Aa

10%

1.9

Fail
Aa

20%

1.4

Fail
Aa

30%

1.1

Fail
Aa

40%

1.6

Fail
Aa

50%

2.2

Fail
Aa

60%

3.1

AA-large
Aa

70%

4.3

AA-large
Aa

80%

5.6

AA
Aa

90%

7.1

AAA
Aa

100%

9.0

AAA

Best Grayscale Contrast

#FFFFFF with ratio 8.97:1

Aa

Color Harmonies

Harmonious color combinations

complementary

Two colors opposite on the color wheel (180°)

split-complementary

Base color + two colors adjacent to its complement

triadic

Three colors evenly spaced (120° apart)

tetradic

Four colors evenly spaced (90° apart)

analogous

Three colors adjacent on the color wheel (30° apart)

Color Variations

Tints, shades, tones, and full scale

Color Scale (50-900)

50

100

200

300

400

500

600

700

800

900

Tints (Lighter)

Shades (Darker)

Tones (Desaturated)

Gradients (OKLCH)

Primary

90°
CSS
linear-gradient(90deg, #1A6AFF 0%, #002D80 100%)
OKLCH
linear-gradient(90deg, oklch(57.4% 0.234 261.6) 0%, oklch(33.3% 0.147 261.4) 100%)
Stops
0%
100%

Vibrant

135°
CSS
linear-gradient(135deg, #0050E6 0%, #0047CC 100%)
OKLCH
linear-gradient(135deg, oklch(50.0% 0.236 262.2) 0%, oklch(45.9% 0.214 262.1) 100%)
Stops
0%
100%

Complementary

90°
CSS
linear-gradient(90deg, #003EB3 0%, #B37400 100%)
OKLCH
linear-gradient(90deg, oklch(41.8% 0.193 262.0) 0%, oklch(61.1% 0.131 71.8) 100%)
Stops
0%
100%

Analogous

90°
CSS
linear-gradient(90deg, #0098B3 0%, #003EB3 50%, #1B00B3 100%)
OKLCH
linear-gradient(90deg, oklch(62.6% 0.111 216.3) 0%, oklch(41.8% 0.193 262.0) 50%, oklch(35.5% 0.235 269.0) 100%)
Stops
0%
50%
100%

Sunset

90°
CSS
linear-gradient(90deg, #F6CE55 0%, #EE6C2B 50%, #E6193C 100%)
OKLCH
linear-gradient(90deg, oklch(86.4% 0.144 90.6) 0%, oklch(68.0% 0.177 43.8) 50%, oklch(59.1% 0.228 21.2) 100%)
Stops
0%
50%
100%

Ocean

135°
CSS
linear-gradient(135deg, #19A1E6 0%, #22C3B6 50%, #47D1A3 100%)
OKLCH
linear-gradient(135deg, oklch(67.5% 0.146 238.9) 0%, oklch(73.8% 0.124 186.2) 50%, oklch(77.5% 0.136 166.9) 100%)
Stops
0%
50%
100%

Dark Mode

180°
CSS
linear-gradient(180deg, #003EB3 0%, #091834 100%)
OKLCH
linear-gradient(180deg, oklch(41.8% 0.193 262.0) 0%, oklch(21.4% 0.059 261.6) 100%)
Stops
0%
100%

Radial Glow

Radial
CSS
radial-gradient(circle, #0059FF 0%, #003699 100%)
OKLCH
radial-gradient(circle, oklch(54.0% 0.255 262.3) 0%, oklch(37.7% 0.169 261.6) 100%)
Stops
0%
100%

💡 About OKLCH Gradients

OKLCH (Oklch Color Space) provides perceptually uniform gradients with better color transitions than traditional RGB/HSL gradients. The format is oklch(L% C H) where L = Lightness (0-100%), C = Chroma (0-0.4), H = Hue (0-360°).

Generate Full Palette

Create a complete brand palette from this color with primary, secondary, accent, and neutral scales.

View Palette